IMHO.

Single-player games like Gal Guardians: Servants of the Dark

Below are 16 single-player Steam games similar to Gal Guardians: Servants of the Dark, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Gal Guardians: Servants of the Dark page.

Ranked picks

  1. 1
    Gal Guardians: Demon Purge — Steam game cover

    Gal Guardians: Demon Purge

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    In order to save their school after it turns into a massive demonic castle, two "Demon Hunter" sisters slash and shoot their way through this 2D action adventure. Players can swap between control of both characters on the fly, each with entirely different skillsets.

    2023ActionAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Bloodstained: Ritual of the Night — Steam game cover

    Bloodstained: Ritual of the Night

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    Bloodstained: Ritual of the Night is an exploration-focused, side-scroller action RPG by Koji Igarashi. Play as Miriam, an orphan scarred by an alchemist's curse that slowly crystallizes her body. Battle through a demon-infested castle and defeat its master to save yourself, and all of humanity!

    2019ActionAdventureRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Tearscape — Steam game cover

    Tearscape

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    As a hunter, you explore a dark, interconnected world filled with dungeons, relying on precise combat to survive. Battle grotesque monsters, expand your arsenal, and uncover hidden paths in a non-linear, pixel art journey.

    2026ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Bloodstained: Curse of the Moon 2 — Steam game cover

    Bloodstained: Curse of the Moon 2

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    Koji Igarashi and Inti Creates are back with more retro sword-and-whip action! Curse of the Moon 2 brings classic 2D action and a dark, 8-bit aesthetic together with modern playability.

    2020Action5.24 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Salt and Sacrifice — Steam game cover

    Salt and Sacrifice

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.

    2023ActionRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Bloodstained: Curse of the Moon — Steam game cover

    Bloodstained: Curse of the Moon

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    Battle with swords and whips in this retro-style action game brought to you by game creator Koji Igarashi and Inti Creates! Play as Zangetsu, a demon slayer bearing a deep grudge, who must travel through perilous lands to defeat a powerful demon lurking in a dark castle.

    2018Action4.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Never Grave: The Witch and The Curse — Steam game cover

    Never Grave: The Witch and The Curse

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    A Metroidvania x Roguelite where you journey with the aid of a cursed hat. Use a variety of magic or possess your enemies to reach the lowest levels! Bring back loot, build new facilities in your village, make a living and strengthen yourself for the next battle! Supports up to 4-player multiplayer.

    2026ActionIndieAdventure15.29 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Outer Terror — Steam game cover

    Outer Terror

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    DON’T DIE as you assemble a ridiculous arsenal of weapons and desperately hold out against massive hordes of creatures pulled from a variety of classic horror genres reminiscent of 80s and 90s Golden Age comics and B-movies in this stylish action-packed arcade roguelite.

    2023ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    YOHANE THE PARHELION -BLAZE in the DEEPBLUE- — Steam game cover

    YOHANE THE PARHELION -BLAZE in the DEEPBLUE-

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    Yohane the Parhelion is an official spin-off of "Love Live! Sunshine". Yohane's fantasy world sets the stage for a 2D metroidvania in "Yohane the Parhelion: Blaze in the Deepblue"!

    2023ActionAdventure11.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Symphony of the Stars — Steam game cover

    Symphony of the Stars

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required.

    Explore a vast fantasy world in this top-down RPG. Sneak past enemies with overworld skills or engage them in strategic, turn-based combat. Solve puzzles and build the strength of your characters as an epic adventure unfolds!

    2025RPG7.99 USDSingle-playerSimilar games →
  11. 11
    Metroidvania Maker — Steam game cover

    Metroidvania Maker

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.

    ActionIndieAdventureSingle-playerSimilar games →
  12. 12
    Gal*Gun 2 — Steam game cover

    Gal*Gun 2

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    Notoriously lewd first-person shooter, where you find yourself irresistible to every girl in school! Fend off their advances as you explore the school grounds. Use gadgets to expel mischievous demons and upgrade kit like the 'Demon Sweeper' to suck the skirts clean off your suitors!

    2018ActionAdventure7.49 USDSingle-playerSimilar games →
  13. 13
    Gal*Gun: Double Peace — Steam game cover

    Gal*Gun: Double Peace

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.

    A rail shooter, with a difference, replacing bullets with pheromone shots, and enemies with giddy love-obsessed school girls. Every love letter and advancing kiss drains your energy! Repel them while upgrading your power ups and take part in outrageously lewd mini-games to find your true love!

    2016ActionAdventure7.49 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Azure Striker Gunvolt — Steam game cover

    Azure Striker Gunvolt

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    A 2D action game featuring a young man with the power of lightning who stands for freedom against the evil ambitions of a massive organization. When lightning strikes, a new legend is born.

    2015ActionIndie5.24 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    Blaster Master Zero — Steam game cover

    Blaster Master Zero

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    Mutant scum never learn! Blaster Master Zero makes its Steam debut! Blaster Master Zero is a 8-bit style top-down & sideview 2D action-adventure game that hearkens back to the golden age of the NES. The game features new gameplay elements such as improved gameplay, and a more robust scenario.

    2019Action4.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    Dragon Marked For Death — Steam game cover

    Dragon Marked For Death

    Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.

    Dragon Marked For Death is a 2D side-scrolling action RPG game where up to 4 players can play together in online multiplayer. The characters, known as the Dragonblood Clan, have forged a pact with the Astral Dragon, which granted them special new powers.

    2020ActionRPG15.99 USDDeck PlayableSingle-playerSimilar games →